Phys. Rev. Lett. 39, 550–554 (1977)Stochastic Ion Heating by a Perpendicularly Propagating Electrostatic WaveReceived 29 November 1976; published in the issue dated 29 August 1977 The motion of an ion in the presence of a constant magnetic field and a perpendicularly propagating electrostatic wave with frequency several times the ion cyclotron frequency is shown to become stochastic for fields satisfying E/B0>1/4(Ω/ω)1/3(ω/k). This stochasticity condition is independent of how close ω is to a cyclotron harmonic. Applications of current interest in supplementary heating of plasmas with rf power near the lower-hybrid frequency are suggested. © 1977 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.39.550
DOI:
10.1103/PhysRevLett.39.550
PACS:
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